Index: cfe/trunk/lib/CodeGen/CGExprScalar.cpp
===================================================================
--- cfe/trunk/lib/CodeGen/CGExprScalar.cpp
+++ cfe/trunk/lib/CodeGen/CGExprScalar.cpp
@@ -1383,7 +1383,7 @@
   case CK_LValueBitCast:
   case CK_ObjCObjectLValueCast: {
     Address Addr = EmitLValue(E).getAddress();
-    Addr = Builder.CreateElementBitCast(Addr, ConvertType(DestTy));
+    Addr = Builder.CreateElementBitCast(Addr, CGF.ConvertTypeForMem(DestTy));
     LValue LV = CGF.MakeAddrLValue(Addr, DestTy);
     return EmitLoadOfLValue(LV, CE->getExprLoc());
   }
Index: cfe/trunk/test/CodeGenCXX/cast-to-ref-bool.cpp
===================================================================
--- cfe/trunk/test/CodeGenCXX/cast-to-ref-bool.cpp
+++ cfe/trunk/test/CodeGenCXX/cast-to-ref-bool.cpp
@@ -0,0 +1,9 @@
+// RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-llvm -o - %s | FileCheck %s
+
+// CHECK-LABEL: main
+int main(int argc, char **argv) {
+  // CHECK: load i8, i8* %
+  // CHECK-NEXT: trunc i8 %{{.+}} to i1
+  bool b = (bool &)argv[argc][1];
+  return b;
+}